# WBT_USER_ID_LEN

## C Specification

      #include <nitro/wbt.h>

      #define WBT_USER_ID_LEN 32

## Description

The maximum size of user-defined information that can be assigned to blocks registered using the `WBT_RegisterBlock` function. The other side can get this detailed information with the `WBT_GetBlockInfo` function.

## See Also

None.

## Revision History

09/21/2004 Initial version